Michael Palmer, MD, (1942–2013) was the author of Miracle CureCritical JudgmentSilent TreatmentNatural CausesExtreme MeasuresFlashbackSide Effects, and The Sisterhood. His books have been translated into thirty-five languages. He trained in internal medicine at Boston City and Massachusetts General hospitals, spent twenty years as a full-time practitioner of internal and emergency medicine, and served as an associate director of the Massachusetts Medical Society’s physician health program.